Knowledge base for software setup, errors, and daily tool work.

How to Fix Microsoft Store Proxy Error

You open Microsoft Store and see a message like ‘Proxy server isn’t working’ or ‘Check your proxy...

How to Fix Windows Activation Blank Screen with System Restore

If you're seeing a blank screen after entering a Windows activation key, you're not alone. This o...

How to Fix Windows Defender File Locked Error 0x80070020

Error 0x80070020 often appears when Windows Defender (Microsoft Defender Antivirus) is scanning a...

Fix Chrome SSL Certificate Error After Profile Update

After updating your Chrome profile—whether from a sync, a fresh install, or a migration—you might...

Docker Container Restarting Due to Health Check: Causes and Fixes

Fix Command Prompt Crashing After Run as Administrator

If Command Prompt opens and immediately closes or freezes when you run it as administrator, you'r...